Oval Cut
Sri Lankan saffron 0.320ct loose stone with certificate of authenticity
Sale price¥29,800
Tanzanian Dragon Garnet 0.746ct Loose Stone
Sale price¥17,800
American Benitoite 0.158ct loose stone
Sale price¥59,800
American Benitoite 0.296ct loose stone
Sale price¥148,000
Brazilian Paraiba tourmaline 0.171ct loose stone (CuO: 1.7%, MnO: 2.3%)
Sale price¥98,000
Brazilian bicolor tourmaline 13.927ct loose stone
Sale price¥198,000
Brazilian chlorite in quartz 27.725ct loose stone
Sale price¥19,800
Brazilian bicolor tourmaline 1.032ct loose stone
Sale price¥25,800
Brazilian bicolor tourmaline 1.255ct loose stone
Sale price¥25,800
Brazilian pink tourmaline 0.918ct loose stone
Sale price¥9,800
Brazilian Pink Tourmaline 1.045ct Loose Stone
Sale price¥9,800
Mexican Fire Opal 1.348ct Loose
Sale price¥15,800
Madagascar Bekiri Blue Garnet (Color Change Garnet) 0.375ct Loose Stone
Sale price¥18,800
Brazilian Swiss Blue Topaz 1.395ct Loose
Sale price¥8,800
German Awinite 0.093ct loose stone
Sale price¥29,800
Kunzite from Afghanistan 4.992ct loose stone
Sale price¥15,800
Aquamarine 0.709ct loose stone
Sale price¥18,800
Brazilian Aquamarine 0.474ct Loose Stone
Sale price¥12,800
0.870ct loose purple spinel from Madagascar
Sale price¥14,800
Vietnam Aquamarine 0.586ct Loose
Sale price¥12,800
Synthetic Alexandrite 0.560ct loose stone
Sale price¥14,800
American Benitoite 0.167ct loose stone
Sale price¥59,800
Brazilian Green Tourmaline 0.561ct Loose Stone
Sale price¥25,800
Tanzanite from Tanzania 0.520ct loose stone
Sale price¥12,800
Bicolor Sapphire 5.640ct Loose Stone with Certificate
Sale price¥98,000
Sri Lankan saffron 0.121ct loose stone
Sale price¥18,800
Brazilian Santa Maria Aquamarine 0.968ct loose stone
Sale price¥69,800
Sri Lankan zircon 3.614ct loose stone
Sale price¥29,800
Afghanistan Lazurite in Sodalite 2.387ct Loose Stone
Sale price¥39,800
Brazilian Rubellite 2.439ct loose stone
Sale price¥69,800
Tanzanite 1.055ct loose stone
Sale price¥29,800
Tanzanite 1.458ct loose stone
Sale price¥39,800
Brazilian Alexandrite 0.097ct loose stone
Sale price¥18,800
Moloxite (Green Apatite) from Madagascar 4.087ct Loose Stone
Sale price¥39,800
Oregon Sunstone from the United States 1.930ct loose stone
Sale price¥18,800
Sri Lankan Violet Spinel 0.592ct Loose
Sale price¥8,800
Zimbabwe bicolor euclase 0.205ct loose stone
Sale price¥98,000
Spanish Andalusite 0.74ct loose stone
Sale price¥6,980
Mexican Fire Opal (Faceted Cut) 0.608ct Loose
Sale price¥12,800
Madagascar Blue Sapphire (Ice Blue) 0.694ct Loose
Sale price¥18,800
Cambodian colorless zircon 1.407ct loose stone
Sale price¥12,800
Why not take your favorite gemstone that you found at KARATZ and have it made into custom-made jewelry? It will be made by skilled Japanese craftsmen.
We carefully craft each piece of jewelry, starting with the stone setting, to match the individual characteristics of the gemstone.
So that more people can feel closer to jewellery and enjoy it easily.
We will introduce KARATZ's thoughts on products, the attention to detail and efforts in selecting gemstones and creating jewelry.
KARATZ's Initiatives and Social Contributions
We will introduce KARATZ's efforts, including nurturing the next generation and business collaboration to develop the industry, and supporting children in Sri Lanka, the land of jewels.
KARATZ Books
These are books that KARATZ has been involved in writing, supervising, and planning. They are all books that allow you to enjoy gemstones from various angles. You can also purchase them directly.
jeweler's tools
For those who want to enjoy jewelry more but don't know what tools to use, we will introduce tools that are also used by KARATZ staff. You can also purchase them directly.